Bee Wax Propolis Extract as Eco-Friendly Corrosion Inhibitors for 304SS in Sulfuric Acid

Table 4

Thermodynamic parameters for 304SS in 0.5 M H₂SO₄ without and with inhibitor.

Concentration of inhibitor (ppm)	(kJ/mol)	(kJ/mol)	(J/mol⋅K)
0	—	150.57	169.69
2000	−20.44	234.71	424.89